Base | Representation |
---|---|
bin | 1001000100011… |
… | …11100101001101 |
3 | 12022011112210111 |
4 | 10202033211031 |
5 | 123434214311 |
6 | 11314440021 |
7 | 1612500565 |
oct | 442174515 |
9 | 168145714 |
10 | 76085581 |
11 | 39a48250 |
12 | 21593011 |
13 | 129bc770 |
14 | a167da5 |
15 | 6a2dd21 |
hex | 488f94d |
76085581 has 16 divisors (see below), whose sum is σ = 91082880. Its totient is φ = 62637120.
The previous prime is 76085567. The next prime is 76085599. The reversal of 76085581 is 18558067.
It is not a de Polignac number, because 76085581 - 25 = 76085549 is a prime.
It is a super-2 number, since 2×760855812 = 11578031272215122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76085521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2560 + ... + 12598.
It is an arithmetic number, because the mean of its divisors is an integer number (5692680).
Almost surely, 276085581 is an apocalyptic number.
It is an amenable number.
76085581 is a deficient number, since it is larger than the sum of its proper divisors (14997299).
76085581 is a wasteful number, since it uses less digits than its factorization.
76085581 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10116.
The product of its (nonzero) digits is 67200, while the sum is 40.
The square root of 76085581 is about 8722.7049130416. The cubic root of 76085581 is about 423.7412926512.
The spelling of 76085581 in words is "seventy-six million, eighty-five thousand, five hundred eighty-one".
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